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TW200644526A - Method and apparatus for improving data transmission rellability in a wireless communications system - Google Patents

Method and apparatus for improving data transmission rellability in a wireless communications system

Info

Publication number
TW200644526A
TW200644526A TW095109700A TW95109700A TW200644526A TW 200644526 A TW200644526 A TW 200644526A TW 095109700 A TW095109700 A TW 095109700A TW 95109700 A TW95109700 A TW 95109700A TW 200644526 A TW200644526 A TW 200644526A
Authority
TW
Taiwan
Prior art keywords
packet
arq channel
decoded
rellability
data transmission
Prior art date
Application number
TW095109700A
Other languages
Chinese (zh)
Other versions
TWI332336B (en
Inventor
Avinash Jain
Stein Arne Lundby
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200644526A publication Critical patent/TW200644526A/en
Application granted granted Critical
Publication of TWI332336B publication Critical patent/TWI332336B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1835—Buffer management
    • H04L1/1841—Resequencing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0096—Channel splitting in point-to-point links
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L2001/125—Arrangements for preventing errors in the return channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

Techniques for performing duplicate detection and re-ordering for a HARQ transmission are described. For duplicate detection, a receiver determines whether a decoded packet x for an ARQ channel y is a duplicate packet based on packet x and a prior decoded packet for ARQ channel y. For re-ordering, the receiver determines whether an earlier packet is still pending on any other ARQ channel based on prior decoded packets for the ARQ channels and forwards packet x only if there are no pending earlier packets. There are no pending earlier packets on another ARQ channel z if (1) a decoded packet was received on ARQ channel z at a designated tiroe or later or (2) a decoded packet was not received on ARQ channel z within a time window from current time.
TW095109700A 2005-03-21 2006-03-21 Method and apparatus for improving data transmission reliability in a wireless communications system TWI332336B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/086,957 US9014192B2 (en) 2005-03-21 2005-03-21 Method and apparatus for improving data transmission reliability in a wireless communications system

Publications (2)

Publication Number Publication Date
TW200644526A true TW200644526A (en) 2006-12-16
TWI332336B TWI332336B (en) 2010-10-21

Family

ID=36587144

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095109700A TWI332336B (en) 2005-03-21 2006-03-21 Method and apparatus for improving data transmission reliability in a wireless communications system

Country Status (16)

Country Link
US (2) US9014192B2 (en)
EP (2) EP2273712B1 (en)
JP (2) JP4897788B2 (en)
KR (1) KR100964829B1 (en)
CN (1) CN101176292B (en)
AU (1) AU2006226953B2 (en)
BR (1) BRPI0609338A2 (en)
CA (1) CA2601637C (en)
IL (1) IL186003A0 (en)
MX (1) MX2007011711A (en)
MY (1) MY144935A (en)
NO (1) NO20075350L (en)
RU (2) RU2378768C2 (en)
SG (1) SG163516A1 (en)
TW (1) TWI332336B (en)
WO (1) WO2006102469A1 (en)

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Also Published As

Publication number Publication date
WO2006102469A1 (en) 2006-09-28
MY144935A (en) 2011-11-30
RU2378768C2 (en) 2010-01-10
CN101176292B (en) 2012-11-14
IL186003A0 (en) 2008-01-20
EP2273712A2 (en) 2011-01-12
US20080130643A1 (en) 2008-06-05
RU2502199C2 (en) 2013-12-20
KR20070121795A (en) 2007-12-27
CA2601637C (en) 2015-08-11
EP2273712B1 (en) 2019-05-08
CN101176292A (en) 2008-05-07
BRPI0609338A2 (en) 2010-03-16
JP5226764B2 (en) 2013-07-03
MX2007011711A (en) 2007-11-20
JP4897788B2 (en) 2012-03-14
RU2007138926A (en) 2009-04-27
RU2009133733A (en) 2011-03-20
AU2006226953A1 (en) 2006-09-28
EP2273712A3 (en) 2014-06-04
EP1867091A1 (en) 2007-12-19
US8503452B2 (en) 2013-08-06
JP2011109677A (en) 2011-06-02
AU2006226953B2 (en) 2010-03-04
NO20075350L (en) 2007-10-18
US9014192B2 (en) 2015-04-21
KR100964829B1 (en) 2010-06-24
JP2008537379A (en) 2008-09-11
EP1867091B1 (en) 2017-11-15
US20060209783A1 (en) 2006-09-21
SG163516A1 (en) 2010-08-30
CA2601637A1 (en) 2006-09-28
TWI332336B (en) 2010-10-21

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